[White "White"] [Black "Black #1"] [FEN "KQ4R1/8/8/8/4N3/8/5p2/6bk w - - 0 0"] {White mates in 2 _MARK:b8_} 1.Qb2 {if … f1=Q or B then Ng3#; if ...f1=R then Ng3# or Qg2#; if …f1=N then Qg2#; if … Kh2 then Qh8#} *